<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			div{
				width: 100px;
				height: 100px;
				border: 1px solid red;
				display: inline-block ;
			}
			span{
				width: 100px;
				height: 100px;
				border: 1px solid red;
				display: inline-block ;
			}
		</style>
	</head>
	<body>
		<div>我是div块元素</div>
		<span>我是span行内元素</span>
	</body>
</html>
